SOLUTION: Hi all, I was hoping someone could help me solve the following problem. I need to solve for h in the following equation. 0= (6/10)h - (5/1000)h^2 Can someone show me how to do th

Question 208029: Hi all, I was hoping someone could help me solve the following problem. I need to solve for h in the following equation.
0= (6/10)h - (5/1000)h^2
Can someone show me how to do this with full working please? Notes would also be appreciated.
Thanks, -Nick.
Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
This is a quadratic equation, and it's already equal to zero, so you need to factor it. However, the fractions are pretty ugly here. It might help to get a common denominator of 1000 like this:

Multiply both sides by 1000:

Factor out the common factor of 5h:

There are two solutions:
5h=0
h=0

120-h=0
120=h

R^2
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